Xevious! Such an excellent vertical shooter at the arcades. I played this a ton, and it had so many cool aspects to the gameplay that made each game a challenge in different ways. (It will change-up the aliens if you're dealing with them too effectively.) 😮 Now I've got to remind myself where all those hidden objects are.. 😄 https://www.youtube.com/watch?v=IIfkOvT4EPM